Answer: $397,716
Explanation:
Degree of Operating Leverage = Change in Net Operating Income/ Change in Sales
6.60 = Change in Net Operating Income / (520,260 - 460,000)
(520,260 - 460,000) * 6.60 = Change in Net Operating Income
Change in Net Operating Income = 62,260 * 6.60
Change in Net Operating Income = $397,716